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-rw-r--r--doc/zmq_poll.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/zmq_poll.txt b/doc/zmq_poll.txt
index 26d7dac..ee7539b 100644
--- a/doc/zmq_poll.txt
+++ b/doc/zmq_poll.txt
@@ -48,7 +48,7 @@ _zmq_poll()_ shall wait 'timeout' microseconds for an event to occur on
any of the requested items. If the value of 'timeout' is `0`, _zmq_poll()_
shall return immediately. If the value of 'timeout' is `-1`, _zmq_poll()_ shall
block indefinitely until a requested event has occurred on at least one
-*zmq_pollitem_t*.
+*zmq_pollitem_t*. The resolution of 'timeout' is 1 millisecond.
The 'events' and 'revents' members of *zmq_pollitem_t* are bit masks constructed
by OR'ing a combination of the following event flags: